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patch 8.0.1541: synpat_T is taking too much memory

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Problem:    synpat_T is taking too much memory.
Solution:   Reorder members to reduce padding. (Dominique Pelle, closes #2671)
This commit is contained in:
Bram Moolenaar
2018-02-24 21:36:34 +01:00
parent 2b10bcbfc1
commit 36f923014a
2 changed files with 13 additions and 9 deletions
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20
src/syntax.c
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@@ -145,30 +145,32 @@ static char *(spo_name_tab[SPO_COUNT]) =
*
* A character offset can be given for the matched text (_m_start and _m_end)
* and for the actually highlighted text (_h_start and _h_end).
*
* Note that ordering of members is optimized to reduce padding.
*/
typedef struct syn_pattern
{
char sp_type; /* see SPTYPE_ defines below */
char sp_syncing; /* this item used for syncing */
short sp_syn_match_id; /* highlight group ID of pattern */
short sp_off_flags; /* see below */
int sp_offsets[SPO_COUNT]; /* offsets */
int sp_flags; /* see HL_ defines below */
#ifdef FEAT_CONCEAL
int sp_cchar; /* conceal substitute character */
#endif
int sp_ic; /* ignore-case flag for sp_prog */
int sp_sync_idx; /* sync item index (syncing only) */
int sp_line_id; /* ID of last line where tried */
int sp_startcol; /* next match in sp_line_id line */
short *sp_cont_list; /* cont. group IDs, if non-zero */
short *sp_next_list; /* next group IDs, if non-zero */
struct sp_syn sp_syn; /* struct passed to in_id_list() */
short sp_syn_match_id; /* highlight group ID of pattern */
char_u *sp_pattern; /* regexp to match, pattern */
regprog_T *sp_prog; /* regexp to match, program */
#ifdef FEAT_PROFILE
syn_time_T sp_time;
#endif
int sp_ic; /* ignore-case flag for sp_prog */
short sp_off_flags; /* see below */
int sp_offsets[SPO_COUNT]; /* offsets */
short *sp_cont_list; /* cont. group IDs, if non-zero */
short *sp_next_list; /* next group IDs, if non-zero */
int sp_sync_idx; /* sync item index (syncing only) */
int sp_line_id; /* ID of last line where tried */
int sp_startcol; /* next match in sp_line_id line */
} synpat_T;
/* The sp_off_flags are computed like this: